Omega Seamaster Diver 300m Seamaster Diver 300M Master Co-Axial 42 Swiss Armed Forces

Reference 210.30.42.20.01.003

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 Swiss Armed Forces is a luxury watch that embodies the essence of precision, style, and adventure. Its sleek black ceramic bezel rotates for precise timing, while its round shape gives it a classic vibe. The black dial features stick and dot indexes for optimal readability, protected by a sapphire crystal. At its heart lies the Omega caliber 8806 movement, certified as a Master Chronometer with resistance to magnetic fields up to 15,000 gauss. With a water resistance rating of 300 meters and a limited edition of only 50 units produced, this watch is not just a timekeeper but also a collector's item. Its stainless steel bracelet is both sturdy and comfortable, making it perfect for all-day wear. Whether you're exploring the ocean or enjoying a night out, this watch ticks all the right boxes.
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Key Features

  • Omega caliber 8806 movement
  • 300m water resistance
  • Limited edition of only 50 units produced
  • Sapphire crystal protection
  • Stainless steel bracelet
  • Master Chronometer certification
  • Resistance to magnetic fields up to 15,000 gauss

Specifications

Brand
Omega
Family
Seamaster Diver 300m
Model
Seamaster Diver 300M Master Co-Axial 42 Swiss Armed Forces
Reference
210.30.42.20.01.003
Movement
8806
Movement Features
  • Hours, Minutes, Seconds
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Omega Seamaster Diver 300M James Bond 60th Anniversary 42mm Blue Dial 210.30.42.20.03.002

Omega Seamaster Diver 300M James Bond 60th Anniversary 42mm Blue Dial 210.30.42.20.03.002

This Omega Seamaster Diver 300M James Bond 60th Anniversary watch features a 42mm blue dial and is in excellent condition.

  • Condition: Very good, rated at 9.7/10
  • Depth rating: 300m
  • Case diameter: 42mm
  • Box set included: true
Posted at
Jan 30, 2026, 10:46 AM
Active
[WTS] Omega Seamaster Diver 300M 007 NTTD

Omega Seamaster Diver 300M 007 NTTD

Selling a Omega Seamaster NTTD edition in excellent condition with some minor cosmetic damage.

  • Condition: Excellent (small scratch on clasp and a few light scratches on case back)
  • Case Size: 42mm
  • Water Resistance: 300m
Posted at
Jan 28, 2026, 11:41 PM
Active
[WTS] Omega Seamaster Diver 300M White Dial – Ref. 210.32.42.20.04.001 (2021) – Full Set – $4,700

Omega Seamaster Diver 300M White Dial – Ref. 210.32.42.20.04.001 (2021) – Full Set – $4,700

This Omega Seamaster Diver 300M features a white dial and was produced in 2021.

  • Year: 2021
Posted at
Jan 28, 2026, 5:38 PM
Active
[WTS] Omega Seamaster Diver 300M - 41mm Ceramic Blue - No Wave - Complete Set

Omega Seamaster Diver 300M - 41mm Ceramic Blue - No Wave - Complete Set

This Omega Seamaster Diver 300M Co-Axial Chronometer features a 41mm stainless steel case, blue ceramic bezel, and flat/lacquered blue dial with an understated look. It has an Omega Co-Axial calibre 2500 automatic movement and is rated to 300 m of water resistance.

  • Condition: Excellent
  • Case size: 41mm diameter
  • Movement: Omega Co-Axial calibre 2500 automatic movement
  • Water resistance: 300m depth rating
Posted at
Jan 28, 2026, 4:46 PM
Active
[WTS] 2025 OMEGA Seamaster Diver 300M 42mm Green Dial “SEAWEED” 210.30.42.20.10.001

2025 OMEGA Seamaster Diver 300M 42mm Green Dial “SEAWEED” 210.30.42.20.10.001

A 2025 OMEGA Seamaster Diver 300M in a 42mm Green Dial "SEAWEED" configuration, featuring an Omega 8800 movement and various accessories.

  • Condition: Excellent, light signs of wear
  • Movement: Omega 8800
Posted at
Jan 28, 2026, 4:37 PM
Active
[WTS] OMEGA Seamaster Diver 300M 42mm White Dial 210.30.42.20.04.001 | Full Set

OMEGA Seamaster Diver 300M 42mm White Dial 210.30.42.20.04.001 | Full Set

A 2020 OMEGA Seamaster Diver 300M with a white dial, 42mm case size, and excellent timekeeping performance.

  • Condition: Outstanding condition, with only a few faint hairline marks on the bracelet from light wear.
  • Movement: Omega 8800
  • Bracelet size: 8.25 inches, will fit wrists up to approximately 8.25"
  • Box condition: [object Object]
Posted at
Jan 28, 2026, 4:24 PM
Active
[WTS] 2023 Omega Seamaster Diver 300m White Dial on Bracelet 210.30.42.20.04.001 B+P

2023 Omega Seamaster Diver 300m White Dial on Bracelet 210.30.42.20.04.001 B+P

This watch features a stunning white wave-pattern dial paired with a black ceramic bezel, and is equipped with Omega's Co-Axial Master Chronometer Caliber 8800 movement, offering exceptional precision, anti-magnetic protection, and 300-meter water resistance.

  • Condition: Excellent
  • Movement: Self-winding Mechanical
  • Case material: Stainless Steel
  • Bezel material: Black Ceramic
Posted at
Jan 28, 2026, 10:09 AM
Active
[WTS] 1999 Midsize Omega Seamaster Diver 300M, with box and papers! - $2450 shipped!!

1999 Midsize Omega Seamaster Diver 300M, with box and papers! - $2450 shipped!!

Omega - 2551.80 · $2,450
This listing is for a genuine Midsize Omega Seamaster Diver 300M from 1999, featuring an automatic movement and 36mm case size.

  • Condition: 9/10 with minor scratches
  • Movement: Cal. 1120 automatic
  • Case size: 36mm diameter
Posted at
Jan 28, 2026, 7:04 AM
Active